Zack Littell

Active

Arizona Diamondbacks · SP/RP

Age 316' 4" · 250 lbsThrows Right

#682 Current#429 Preseason

FBaseball Overview

At 30 years old, Littell operates as a mid-rotation starter for Washington who has shown volatility in his recent performance—his ERA ballooned from 3.81 in 2025 to 5.29 in 2026, reflecting inconsistency that limits his fantasy appeal for wins and ERA categories. His strikeout production dropped significantly to 49 K over 80 innings in 2026, down from 130 K the previous season, suggesting either reduced run support, durability concerns, or a step backward in stuff. The elevated 1.35 WHIP combined with the higher ERA makes him a risky fantasy asset in pitching-heavy formats, though his historical ability to post sub-1.15 WHIP seasons leaves room for late-season correction if command improves. Fantasy managers should approach Littell cautiously and consider him a speculative middle-tier starter rather than a reliable anchor in 2026 pitching rotations.

MLB Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2018	Minnesota Twins	8	2	0	2	0	6.20	1.77	14	20.1	11
2019	Minnesota Twins	29	0	6	0	0	2.68	1.16	32	37.0	9
2020	Minnesota Twins	6	0	0	0	0	9.95	2.37	3	6.1	3
2021	San Francisco Giants	63	2	4	0	2	2.92	1.14	63	61.2	24
2022	San Francisco Giants	39	0	3	3	1	5.08	1.38	39	44.1	13
2023	2 teams▼	28	14	3	6	0	4.10	1.18	74	90.0	12
2024	Tampa Bay Rays	29	29	8	10	0	3.63	1.25	141	156.1	31
2025	2 teams▼	32	32	10	8	0	3.81	1.10	130	186.2	32
2026	2 teams▼	26	14	8	8	0	5.21	1.41	73	124.1	39
Career	Totals	260	93	42	37	3	4.11	1.25	569	727	174

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Minor League Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2013	AZL Mariners	10	7	0	6	1	5.94	1.56	28	33.1	13
2014	Pulaski Mariners	13	13	5	5	0	4.52	1.25	64	69.2	12
2015	Clinton LumberKings	21	21	3	6	0	3.91	1.34	84	112.2	30
2016	2 teams▼	28	27	13	6	0	2.66	1.16	156	165.2	34
2017	3 teams▼	14	14	10	0	0	2.42	1.12	85	85.2	26
2018	2 teams▼	24	20	6	9	0	3.98	1.36	130	129	47
2019	Rochester Red Wings	20	7	3	3	1	3.71	1.27	68	63.0	25
2021	Sacramento River Cats	2	0	0	0	0	9.00	3.00	1	2.0	2
2022	2 teams▼	15	1	0	1	0	5.87	1.37	15	15.1	5
2023	2 teams▼	11	0	2	1	0	4.50	1.36	17	14.0	6
Career	Totals	171	121	51	38	2	3.47	1.26	705	761.2	215

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Last Week / Last Month

Current season · MLB only

7 games

G	GS	IP	W-L	SV	ERA	WHIP	K	BB
7	2	34.1	1-2	0	6.03	1.66	16	13

30 games

G	GS	IP	W-L	SV	ERA	WHIP	K	BB
26	14	124.1	8-8	0	5.21	1.41	73	39

Game Log2026 MLB

Loading game log…

Advanced Stats2026 season · via Baseball Savant

Click for year to year changes

FB Velo91.6 mph

Avg Spin1848 rpm

Whiff %16.2%

K %13.5%

BB %7.2%

Hard Hit %43.8%

Barrel %11.3%

xERA6.64

xBA Against0.299

xSLG Against0.539

BA Against0.278

SLG Against0.511

GB%35.1%

FB%33.9%

What These Stats Mean

FB Velo — Average fastball velocity. Harder throwers generate more swings and misses, setting up every other pitch in their arsenal. Velocity is the foundation of strikeout upside.

Avg Spin — Average spin rate across all pitches. Higher spin creates more movement and makes pitches harder to square up — elite spinners run better strikeout and batting average against numbers.

Whiff % — Swings-and-misses per swing. The most direct measure of a pitcher's ability to miss bats and the best leading indicator of strikeout rate.

K % — Strikeout rate per batter faced. The core fantasy pitching stat — high K% means reliable strikeout totals that hold up even in shorter starts.

BB % — Walk rate per batter faced. The primary control metric. High BB% tanks ERA and WHIP and keeps baserunners on constantly. Elite starters typically run below 7%.

Hard Hit % — Percentage of batted balls hit 95 mph or harder against. Low hard-hit% means weak contact, protecting both ERA and the defense behind the pitcher.

Barrel % — Percentage of batted balls barreled against. The most direct home run predictor — low barrel% pitchers rarely give up long balls.

xERA — Expected ERA based on contact quality allowed, removing the effect of sequencing, luck, and defense. Better predictor of future ERA than ERA itself.

xBA Against — Expected batting average opponents should hit based on contact quality. A gap between xBA and actual BA indicates unsustainable luck in either direction.

xSLG Against — Expected slugging allowed based on contact quality. High xSLG against predicts future extra-base damage; low xSLG means the pitcher is genuinely suppressing power.

BA Against — Actual batting average opponents are hitting — a key WHIP component. Check xBA to see if the number is sustainable.

SLG Against — Actual slugging allowed. Captures hits, doubles, triples, and home runs — lower means the pitcher is limiting the power damage he gives up.

GB% — Ground ball rate. High GB% pitchers generate double plays, limit home runs, and keep the ball in the park — great for protecting ERA and WHIP ratios.

FB% — Fly ball rate. High FB% pitchers give up more air contact — dangerous when combined with high exit velocity, less so when contact is soft.

Loading player data...

Year

Team

ERA

WHIP

2018

Minnesota Twins

6.20

1.77

20.1

2019

Minnesota Twins

2.68

1.16

37.0

2020

Minnesota Twins

9.95

2.37

6.1

2021

San Francisco Giants

2.92

1.14

61.2

2022

San Francisco Giants

5.08

1.38

44.1

2023

2 teams▼

4.10

1.18

90.0

2024

Tampa Bay Rays

3.63

1.25

141

156.1

2025

2 teams▼

3.81

1.10

130

186.2

2026

2 teams▼

5.21

1.41

124.1

Career

Totals

260

4.11

1.25

569

727

174

Year

Team

ERA

WHIP

2013

AZL Mariners

5.94

1.56

33.1

2014

Pulaski Mariners

4.52

1.25

69.2

2015

Clinton LumberKings

3.91

1.34

112.2

2016

2 teams▼

2.66

1.16

156

165.2

2017

3 teams▼

2.42

1.12

85.2

2018

2 teams▼

3.98

1.36

130

129

2019

Rochester Red Wings

3.71

1.27

63.0

2021

Sacramento River Cats

9.00

3.00

2.0

2022

2 teams▼

5.87

1.37

15.1

2023

2 teams▼

4.50

1.36

14.0

Career

Totals

171

121

3.47

1.26

705

761.2

215

W-L

ERA

WHIP

34.1

1-2

6.03

1.66

W-L

ERA

WHIP

124.1

8-8

5.21

1.41